Purple Chalcedony polished slab. PU140 green stones Approximate dimensions at widest points

Approximate dimensions at widest points 90 mm  x 50 mm  x 50 mm thick

Dimensions at widest points approximately 105 mm x 80 mm x 35 mm thick

Dimensions at widest points approximately 130 mm  x 80 mm  x 40 mm thick

GRN86  Green Opal & Magnesite slab

However this one is special due to it's extreme age as well as inclusions of pyrite scattered throughout

Purple Chalcedony polished slab. PU140 green stones Approximate dimensions at widest pointsPU140 Purple Chalcedony slab, polished on one side. Dimensions at widest points approx. 170 mm x 55 mm x 9. 5 mm thick. Weighs 185 grams. From the Eastern Goldfields region of Western Australia.